Hair conditioning composition

A hair conditioning shampoo composition containing (a) about 2 to about 50% by weight of anionic surfactant, (b) about 50 to about 98% by weight water; (c) 0.01 to 10% by weight of an emulsion polymerized dimethiconol nonionic conditioning polymer, (d) 0.01 to 5% by weight of a cationic deposition polymer having a charge density between 0.1 and 4 meq/g, and (e) water.

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Claims

1. A hair conditioning shampoo composition comprising:

(a) about 2 to about 50% by weight of anionic surfactant, (b) about 50 to about 98% by weight water, (c) 0.01 to 10% by weight of an emulsion polymerised dimethiconol nonionic conditioning polymer having the formula:
where n is greater than 2700, and (d) 0.01 to 5% by weight of a cationic deposition polymer having a charge density between 0.1 and 4 meq/g, and (e) water.

2. A composition according to claim 1 wherein the average particle size of the dimethiconol polymer is less than 20 microns.

3. A composition according to claim 2 wherein the average particle size of the dimethiconol polymer is less than 2 microns.

4. A composition according to claim 1 which further comprises from 0.1 to 5% of a silicone suspending agent selected from selected from "carbopol" and long chain acyl derivatives in the form of crystals.

5. A composition according to claim 1 wherein the viscosity of the dimethiconol lies in the range 1-20 million cst.

6. A composition according to claim 1 wherein the cationic deposition polymer is selected from the group comprising hydroxyalkyl cellulose ethers and cationic guar derivatives.

7. A method for preparation of a conditioning shampoo which contains insoluble silicone having a molecular weight above 200 000 and a viscosity of greater than 1 million cst as the conditioning agent comprising the steps of forming the silicone into an emulsion, the emulsion having a viscosity of less than 1000cps, then mixing the emulsion with the other shampoo ingredients.

8. A method as claimed in claim 7 wherein the emulsion comprises more than 50% by weight of the silicone.

9. A method as claimed in claim 7 wherein the silicone is emulsion polymerised.

10. A method according to claim 7, wherein the silicone is dimethiconol.

Referenced Cited
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Other references
  • Halloran, Daniel J., "A Silicone Selection Guide for Developing Conditioning Shampoos", In Soap, Cosmetics, Chemical Specialties, vol.68, No. 3, pp. 22-26, published Mar. 1992. Wendel, Samuel R. et al., "Organofunctional Silicones for Personal Care Application", Cosmetics & Toiletries, vol. 98, May 1988, pp. 103-106. Great Britain Search Reports in Great Britain Patent Application No. 9320556.5.
Patent History
Patent number: 5720964
Type: Grant
Filed: Jun 12, 1996
Date of Patent: Feb 24, 1998
Assignee: Chesebrough-Pond's USA Co., Division of Conopco, Inc. (Greenwich, CT)
Inventor: Andrew Malcom Murray (Cheshire)
Primary Examiner: Thurman K. Page
Assistant Examiner: William E. Benston, Jr.
Attorney: Rimma Mitelman
Application Number: 8/660,974
Classifications
Current U.S. Class: Cosmetic, Antiperspirant, Dentifrice (424/401); 424/7012
International Classification: A61K 600; A61K 700;